Beverage carbonating machine



FIG. 1 is a front perspective view of a beverage carbonating machine showing my new design;

FIG. 2 is a top front perspective view thereof;

FIG. 3 is a right side perspective view thereof;

FIG. 4 is a left side perspective view thereof; and

FIG. 5 is a rear perspective view thereof.

The bottom is plain and unornamented. 

The ornamental design for beverage carbonating machine, as shown and described. 